Institutional traders and VWAP.
Institutional investors often use VWAP to buy and sell securities.
Citadel, one of the world’s largest and most successful hedge funds, uses VWAP to execute orders in the market.
Kenneth Griffin, Citadel’s Founder and Chief Executive Officer, spoke before the U.S. House of Representatives in 2021. When asked how Citadel executes order for clients Mr. Griffin said, “virtually all trades executed by institutional investors are in the form of program trades such as volume-weighted average price (VWAP) and other algorithmic trades.”
Selling or buying a large quantity of shares in a single order would result in slippage and other inefficiencies.
Instead, orders are sliced into blocks and sold at or slightly above the VWAP or bought at or slightly below the VWAP. This ensures a fair execution price while reducing volatility.
If institutions bought above the VWAP, it would likely push the price up quickly and make it more expensive for the next order block. This is why prices can revert toward the VWAP throughout the trading day.
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